Earbud



FIG. 1 is a front perspective view of an earbud showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof, the left side view being a mirror image thereof; and,

FIG. 6 is top plan view thereof, the bottom plan view being a mirror image thereof.

The shade lines in the Figures show contour and not surface ornamentation. 

The ornamental design for an earbud, as shown and described. 